﻿
int i = 9;
long j = 9;

string k = "91234qwe";
char g = '9';

float z = 9.0f;
double b = 9.0;

Console.WriteLine(long.MaxValue);
Console.WriteLine(int.MaxValue);

Console.WriteLine(double.MaxValue);
Console.WriteLine(float.MaxValue);

//自定义类型
CPerson person = new CPerson(30);
Console.WriteLine(person.mAge);

//人：身高(float) 年龄(int)
public class CPerson
{
    public float mHeight;
    public int mAge;
    //构造函数 初始化
    public CPerson(int age)
    {
        Console.WriteLine("new");
        mAge = age;
    }
}